disease has location disease has inflammation site connective tissue disorder mediastinitis https://github.com/monarch-initiative/mondo/issues/2198 https://www.malacards.org/card/mediastinitis MEDGEN:9921 MONDO:0004492 ICD10CM:J98.51 An inflammatory process affecting the mediastinum. ICD9:519.2 MESH:D008480 NCIT:C26827 SCTID:47597000 DOID:819 UMLS:C0025064 There is a question whether the inflammation site is the mediastinum itself or the mediastinal pleura. We are using mediastinum here to be consistent with the definition and classification from NCIT. icd11.foundation:1612791605 inflammatory disease mediastinum